Safety lancet for taking blood

Details Safety lancet for taking blood Safety lancet for taking blood

2008-01-24

2010-10-05

Lucchesi, Nicholas D (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S533000, C604S198000

Reexamination Certificate

active

07806859

ABSTRACT:
A safety lancet for taking blood has a hollow barrel with two first slots and two second slots and a detachable needle hub. The needle hub is mounted in the barrel and has a moving base with a needle near a proximal end and a positioning base near a distal end. The positioning base detachably connects to the moving base and has a push button and two stopping resilient elements protruding symmetrically from an outer surface of the positioning base and protruding in the first slots before the push button being pushed and protruding in the second slots after the push button being pushed, so the position base can not move backward. Therefore, medical personnel are able to distinguish easily if the lancet has been used or not.

REFERENCES:
patent: 6293925 (2001-09-01), Safabash et al.
patent: 6648856 (2003-11-01), Argento
patent: 2007/0161960 (2007-07-01), Chen
patent: 2007/0162065 (2007-07-01), Li
patent: 101 036 580 (2007-09-01), None
patent: WO 2007/050528 (2007-05-01), None

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